<html>
<head>
    <title>表单功能</title>
</head>
<body>
<h1>表单展示</h1>
<div>
    <form action="/user/add" method="post">
        <label>用户名：</label>
        <input type="text" name="username"/>
        <label>密码：</label>
        <input type="password" name="password"/>
        <button type="submit">提交</button>
    </form>
</div>
</body>
</html>